1. An essay on demonology, ghosts and apparitions, and popular superstitions: also, an account of the witchcraft delusion at Salem, in 1692 Author(s): Thacher, James, 1754-1844 Publication: Boston : Carter and Hendee, 1831 Subject(s): SuperstitionsWitchcraftDelusionsQuackery
2. An essay on some of the principles of medical delusion Author(s): Nutting, J. H. Publication: Boston : D. Clapp, printer, 1853 Subject(s): QuackeryDelusionsComplementary Therapies
